# PBHV8550XF

**Nexperia** · Bipolar (BJT) · SOT-89

PBHV8550XF from Nexperia, in a SOT-89. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | E | passive | Emitter terminal of the NPN BISS transistor; device limits are VEBO 6 V, IC 150 mA continuous and ICM 0.5 A peak. |
| 2 | C | passive | Collector terminal of the NPN BISS transistor; device limits are VCEO 500 V, VCBO 500 V, IC 150 mA continuous and ICM 0.5 A peak. |
| 3 | B | passive | Base terminal of the NPN BISS transistor; peak base current IBM is limited to 200 mA (single pulse, tp ≤ 1 ms). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOT-89 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Collector-base voltage | VCBO |  |  | 500 | V | open emitter | 2 |
| Collector-emitter voltage | VCEO |  |  | 500 | V | open base | 2 |
| Collector-emitter peak voltage | VCESM |  |  | 500 | V | VBE = 0 V | 2 |
| Emitter-base voltage | VEBO |  |  | 6 | V | open collector | 2 |
| Collector current | IC |  |  | 150 | mA |  | 2 |
| Peak collector current | ICM |  |  | 0.5 | A |  | 2 |
| Peak base current | IBM |  |  | 200 | mA | single pulse; tp ≤ 1 ms | 2 |
| Total power dissipation | Ptot |  |  | 520 | mW | Tamb ≤ 25 °C; footnote [1]: FR4 PCB, single-sided copper, tin-plated and standard footprint | 2 |
| Total power dissipation | Ptot |  |  | 1.5 | W | Tamb ≤ 25 °C; footnote [2]: FR4 PCB, single-sided copper, tin-plated; mounting pad for collector 6 cm2 | 2 |
| Junction temperature | Tj |  |  | 150 | °C |  | 2 |
| Ambient temperature | Tamb | -55 |  | 150 | °C |  | 2 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 2 |
| Thermal resistance from junction to ambient | Rth(j-a) |  |  | 241 | K/W | in free air; footnote [1]: FR4 PCB, single-sided copper, tin-plated and standard footprint | 3 |
| Thermal resistance from junction to ambient | Rth(j-a) |  |  | 84 | K/W | in free air; footnote [2]: FR4 PCB, single-sided copper, tin-plated; mounting pad for collector 6 cm2 | 3 |
| Thermal resistance from junction to solder point | Rth(j-sp) |  |  | 20 | K/W |  | 3 |
| Collector-base breakdown voltage | V(BR)CBO | 500 |  |  | V | IC = 100 µA; IE = 0 A; Tamb = 25 °C | 4 |
| Collector-emitter breakdown voltage (base shorted) | V(BR)CES | 500 |  |  | V | IC = 2.5 mA; VBE = 0 V; Tamb = 25 °C | 4 |
| Emitter-base breakdown voltage (collector open) | V(BR)EBO | 6 |  |  | V | IE = 100 µA; IC = 0 A; Tamb = 25 °C | 4 |
| Collector-base cut-off current | ICBO |  |  | 100 | nA | VCB = 360 V; IE = 0 A; Tamb = 25 °C | 4 |
| Collector-base cut-off current | ICBO |  |  | 50 | µA | VCB = 360 V; IE = 0 A; Tj = 150 °C | 4 |
| Collector-emitter cut-off current | ICES |  |  | 100 | nA | VCE = 360 V; VBE = 0 V; Tamb = 25 °C | 4 |
| Emitter-base cut-off current | IEBO |  |  | 100 | nA | VEB = 5 V; IC = 0 A; Tamb = 25 °C | 4 |
| DC current gain | hFE | 50 | 100 |  | - | VCE = 10 V; IC = 30 mA; Tamb = 25 °C | 4 |
| Collector-emitter saturation voltage | VCEsat |  | 60 | 75 | mV | IC = 20 mA; IB = 2 mA; Tamb = 25 °C | 4 |
| Collector-emitter saturation voltage | VCEsat |  | 65 | 90 | mV | IC = 50 mA; IB = 6 mA; tp ≤ 300 µs; pulsed; δ ≤ 0.02; Tamb = 25 °C | 4 |
| Base-emitter saturation voltage | VBEsat |  | 0.75 | 0.9 | V | IC = 50 mA; IB = 5 mA; tp ≤ 300 µs; pulsed; δ ≤ 0.02; Tamb = 25 °C | 4 |

## CAD (KiCad official)

- Symbol: `PBHV8550XF`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files: `pbhv8550xf-etched.step` / `pbhv8550xf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pbhv8550xf.step` / `pbhv8550xf.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Nexperia datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603109477877104640) (11 pp, sha256 `c3ad71ddf5d2875e`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/pbhv8550xf-datasheet.pdf)